79
PHOSPHATE HIGH RANGE
• Add one packet of HI93717B‑0 Phosphate HR Reagent
B to the cuvette. Replace the cap and shake gently
until completely dissolved.
• Reinsert the cuvette into the instrument and close the lid.
• Press Timer and the display will show the countdown prior to the measurement or, alternatively,
wait for 5 minutes and press Read. When the timer ends the meter will perform the reading. The
instrument displays the results in mg/L of phosphate (PO
4
3
¯).
• Press or to access the second level functions.
• Press the Chem Frm key to convert the result to mg/L of phosphorus (P) and phosphorus
pentoxide (P
2
O
5
).
• Press or to return to the measurement screen.